This book’s strength lies in its authorship: it is not written by a physicist enthralled by the engineering challenge of Mars ...

ITHACA, N.Y. — It has been an amazing mission from the beginning. Getting two tremendously intricate machines funded, designed, built, tested, approved, launched, landed safely on a planet millions of ...

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As a kind of living embodiment of the dangers of techno-optimism, Elon Musk recently declared he means to create a self-sustaining settlement of 1 million people on Mars in the next 30 years. But few ...